Grasscity - 710 OIL Sale

Lighting

Discussions on lighting and what lights are best to use for your grow.

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  1. Sticky Threads
  2. jcj77d
    Sticky
    Like x 10

    All About Lighting

    jcj77d, Aug 24, 2008 ... 16 17 18
    Replies:
    358
    Views:
    126,388
    elevationfarms
    elevationfarms
    May 16, 2019
  3. jcj77d
    Sticky
    Like x 4

    How Light is Measured & Lighting Spectrum and Photosythesis

    jcj77d, Nov 1, 2009 ... 3 4 5
    Replies:
    95
    Views:
    91,737
    smokesara
    smokesara
    Jul 6, 2018
  4. Normal Threads
  5. KBRA7

    Viparspectra V450 VS. Mars Hydro TS1000 - which one is better for flowering?

    KBRA7, Jul 20, 2019 at 10:44 PM
    Replies:
    5
    Views:
    88
    Tbone Shuffle
    Tbone Shuffle
    Jul 23, 2019 at 12:06 AM
  6. Albert.Hofmann

    Quantum Board Questions

    Albert.Hofmann, Jul 21, 2019 at 5:19 PM
    Replies:
    13
    Views:
    149
    Albert.Hofmann
    Albert.Hofmann
    Jul 22, 2019 at 11:58 PM
  7. Skyhook420

    Lost in a sea of led information

    Skyhook420, Jul 7, 2019 ... 2
    Replies:
    26
    Views:
    528
    Skyhook420
    Skyhook420
    Jul 22, 2019 at 11:16 PM
  8. Reid77

    Cmh vs led

    Reid77, Jul 22, 2019 at 1:32 PM
    Replies:
    3
    Views:
    74
    norml56
    norml56
    Jul 22, 2019 at 8:24 PM
  9. upinsmoke2019

    Grow light questions

    upinsmoke2019, Jul 20, 2019 at 7:07 PM
    Replies:
    18
    Views:
    150
    GrasscityGal
    GrasscityGal
    Jul 22, 2019 at 6:40 PM
  10. Fataqui

    Max length of led wire from driver to led board...

    Fataqui, Jul 21, 2019 at 4:51 AM
    Replies:
    9
    Views:
    96
    Sc00byD00bie
    Sc00byD00bie
    Jul 22, 2019 at 11:40 AM
  11. reod12x2
    Like x 8

    alternative to HLG's quantom boards... the supplier!

    reod12x2, Dec 14, 2017 ... 51 52 53
    Replies:
    1,057
    Views:
    64,887
    mattskeee
    mattskeee
    Jul 22, 2019 at 6:05 AM
  12. jay719

    DIY LED Need quick help

    jay719, Jul 20, 2019 at 6:27 PM ... 2
    Replies:
    21
    Views:
    188
    PhenoMorph
    PhenoMorph
    Jul 22, 2019 at 12:13 AM
  13. CaptainMorgan420

    Noob grower needing advice on lighting

    CaptainMorgan420, Jul 21, 2019 at 9:01 AM
    Replies:
    14
    Views:
    114
    Sc00byD00bie
    Sc00byD00bie
    Jul 21, 2019 at 2:03 PM
  14. Dr Frankenstank

    Blurple Dreams

    Dr Frankenstank, Apr 10, 2012 ... 121 122 123
    Replies:
    2,458
    Views:
    103,121
    Dr Frankenstank
    Dr Frankenstank
    Jul 21, 2019 at 1:19 PM
  15. clunge

    Meanwell LRS driver

    clunge, Jul 21, 2019 at 4:33 AM
    Replies:
    4
    Views:
    65
    Sc00byD00bie
    Sc00byD00bie
    Jul 21, 2019 at 11:49 AM
  16. GoldGrower

    ISH Board Build and Review (UK Version of Quantum Boards)

    GoldGrower, Apr 3, 2019 ... 2 3 4
    Replies:
    64
    Views:
    1,290
    GoldGrower
    GoldGrower
    Jul 21, 2019 at 4:07 AM
  17. Maya.blue

    Q.B and Cold steam device

    Maya.blue, Jul 20, 2019 at 3:18 PM
    Replies:
    1
    Views:
    58
    JoshuaE
    JoshuaE
    Jul 20, 2019 at 3:28 PM
  18. BloodClartBob

    When should I switch to flower?

    BloodClartBob, Jul 20, 2019 at 9:32 AM
    Replies:
    4
    Views:
    79
    JoshuaE
    JoshuaE
    Jul 20, 2019 at 1:41 PM
  19. KnowledgeisPower420

    (2) 300w LED....lux....seedlings

    KnowledgeisPower420, Jul 20, 2019 at 3:18 AM
    Replies:
    4
    Views:
    71
    KnowledgeisPower420
    KnowledgeisPower420
    Jul 20, 2019 at 4:56 AM
  20. Maya.blue

    Samsung Q.B 3000k+660mn

    Maya.blue, Jul 17, 2019 at 8:15 AM
    Replies:
    11
    Views:
    160
    JoshuaE
    JoshuaE
    Jul 20, 2019 at 3:21 AM
  21. Mr. Marijuano

    Another DIY HLG...or not

    Mr. Marijuano, Jul 19, 2019 at 2:33 AM
    Replies:
    4
    Views:
    100
    JoshuaE
    JoshuaE
    Jul 19, 2019 at 11:12 AM
  22. Will work for weed

    Anyone running Spydrx 685w

    Will work for weed, Jul 31, 2016 ... 2 3
    Replies:
    40
    Views:
    13,002
    Indoor Organics
    Indoor Organics
    Jul 19, 2019 at 8:55 AM
  23. Ancient3328

    Opinions on which LED is best

    Ancient3328, Jul 11, 2018
    Replies:
    3
    Views:
    281
    Indoor Organics
    Indoor Organics
    Jul 19, 2019 at 8:00 AM
  24. Ancient3328

    Need some pointers on switching to HLG 550

    Ancient3328, Jul 19, 2019 at 12:54 AM
    Replies:
    0
    Views:
    42
    Ancient3328
    Ancient3328
    Jul 19, 2019 at 12:54 AM
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